I've been fed up with the GotMead calculator not working for ages, so I've attempted to make a more modern React app that will work well on laptop and phone

This is the first React app I've made and Gemini has done much of the heavy lifting.

Features:
20/12/2025

• Can save recipes to both a private Cellar and to a public Library ~~[to fix]~~
• Tracking of active ferments with Stage and SG readings - Keeps a log
• List of Yeasts with tolerances and flavour
• List of many Fruits
• Calculates Nutrients - Now fixed as of 23/12/25
• Calculates current ABV%
• Set OG of a brew at start of Active Brew instead of just calculated SG.

New as of 21/12/2025

• New: Archive an active brew and minimise it's card
• New: Saved state when context switching
• New: Share a recipe as markdown: Working proof
• New: Honey floral source with flavour taste, grouped by region
  • Free text field for unlisted honey
  • Extended honey list
• New: Builder tab that doesn't have a target ABV but calculates it
• New: Botanical additions
• New: Search recipes in personal Cellar and global Library
• Public Library logic revisited
  • "Save to Cellar" from public Library
  • "Save to Library" from Cellar to Library
  • Cascade delete from Cellar to Library for owned recipes
  • Enhanced Publishing Security, only logged in users can publish to Library
  • Starting a public recipe will copy it your cellar
  • Fixed security issues with deleting global recipes
  • Added Admin deletes
  • Saved recipes save the user displayName, uses just the first name for privacy
• Fixed some security issues to get profiles working
  • Fixed issue with anonymous users not reading public Library (working profile logging in broke this)
  • Fix trying to log in twice from two anonymous accounts into the same google account
  • Fix displayName (only use first name from returned google profile)
• Clean up unit conversions in all views
• New: Confirm deletes
• New: Collapsible / Expandable cards
• New: Target OG, FG and ABV on the active cards
• New: Add expected FG based on yeast and OG in builder
  • Adjust ABV based on yeast and expected FG
  • Add sweetness to recipe

New as of 20/12/2025

• Chart of SG and ABV in Log
• Fixed more layout issues
• Public Library cards have a unique URL for sharing
• Added instructions page
• Filter Cellar and Library lists/cards
• Clone from Library to designer
• Recipe & Batch Editing
• Add star rating to recipes

New as of 26/12/2025

• Back sweetening calculator
• Font size fixes
• Brew Day checklist
• Bottling & Aging subsection
• Tooltips
• Mobile: fix number entry
• ~~Add comments to Library recipes~~

New as of 29/12/2025

• Progressive Web App - it will 'install' and load like a native app on iOS/Android
• refactored the menu
  • bottom menu on mobile
  • collapsed side menu on tablet
  • expanded side menu on desktop/laptop
• Comments on public recipes
  • Inc. threaded comments
• Full instruction block when creating a recipe
• Share of an active batch to the library
  • Split the library into Becipes and Batches
• Advanced Sorting

ToDo:

• ~~Get profile working to save between devices~~
• ~~General tidy up~~
  • ~~Dropdown list highlights~~
• ~~Real domain name~~ https://goldendrop.blueether.net/ is now live
• ~~Share a public recipe~~ Working proof
• ~~Tweak recipe at the start of brew~~
• ~~Starting a brew from public Library copies it into your personal Cellar~~
• ~~Fix font sizes on some elements~~
• ~~Tweak widescreen layout~~
• ~~Fix public Library~~
• ~~New: Builder tab that doesn't have a target ABV but calculates it~~
• ~~New: Target OG and ABV on the active cards~~
• ~~New: Botanical additions~~
• ~~New: Honey floral source (and taste?)~~
• ~~New: Search recipes in personal Cellar and global Library~~
• ~~New: Add expected FG based on yeast and OG~~
  • ~~Adjust ABV based on yeast and expected FG~~
  • ~~Add sweetness to recipe~~
• ~~Mobile: fix number entry~~
• ~~Add comments to Library recipes~~
• Yeast Starter
• Better Onboarding
  • ~~contextual tooltips~~
  • ~~a "Welcome" modal~~ an info modal available
  • if "Private Cellar" and "Active Batches" are empty display a prompt/hints
• Water Chemistry Adjustments
• Detailed Cost Tracking
• ~~Collapsible menu~~

Main screen on mobile.

Main screen on laptop:

Cellar & Library.

Active brew (medium screen width).